444444444443 has 2 divisors, whose sum is σ = 444444444444. Its totient is φ = 444444444442.

The previous prime is 444444444401. The next prime is 444444444461. The reversal of 444444444443 is 344444444444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444444444443 - 2¹⁴ = 444444428059 is a prime.

It is a Sophie Germain prime.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (444444440443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222222222221 + 222222222222.

It is an arithmetic number, because the mean of its divisors is an integer number (222222222222).

Almost surely, 2^444444444443 is an apocalyptic number.

444444444443 is a deficient number, since it is larger than the sum of its proper divisors (1).

444444444443 is an equidigital number, since it uses as much as digits as its factorization.

444444444443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12582912, while the sum is 47.

Adding to 444444444443 its reverse (344444444444), we get a palindrome (788888888887).

Subtracting from 444444444443 its reverse (344444444444), we obtain a palindrome (99999999999).

The spelling of 444444444443 in words is "four hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-three".